1315187380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{219931}}^1$

素因数の和:219976

約数の個数: 48

約数和(自身を含む): 3103680384

約数和(自身を除く): 1788493004

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 219931, 439862, 879724, 1099655, 2199310, 2859103, 4398620, 5058413, 5718206, 10116826, 11436412, 14295515, 20233652, 25292065, 28591030, 50584130, 57182060, 65759369, 101168260, 131518738, 263037476, 328796845, 657593690, 1315187380]

約数ペア:

[(1, 1315187380), (2, 657593690), (4, 328796845), (5, 263037476), (10, 131518738), (13, 101168260), (20, 65759369), (23, 57182060), (26, 50584130), (46, 28591030), (52, 25292065), (65, 20233652), (92, 14295515), (115, 11436412), (130, 10116826), (230, 5718206), (260, 5058413), (299, 4398620), (460, 2859103), (598, 2199310), (1196, 1099655), (1495, 879724), (2990, 439862), (5980, 219931)]